High-low voltage power distribution switching cabinet

Abstract

The utility model discloses a high and low voltage power distribution switching cabinet, which comprises a frame body, the frame body comprises a rectangular bottom frame, vertical rods are vertically connected to four corners of the top of the bottom frame, the tops of the four vertical rods are jointly connected with a rectangular top frame, a front cross rod is connected between the two vertical rods on the front side, and a rear cross rod is connected between the two vertical rods on the rear side. A front transverse rod is connected between the two vertical rods on the front side, a rear transverse rod is connected between the two vertical rods on the rear side, a plurality of transverse supports distributed at intervals are arranged between the front transverse rod and the rear transverse rod, one side of each transverse support is connected with an insulating plate, and the insulating plates are connected with busbars used for wiring through high-voltage insulators. The high-low voltage power distribution switching cabinet provided by the utility model can realize flexible wiring according to on-site requirements; according to the utility model, switching of multiple cables can be realized during in-plant debugging, the processing cost of the whole structure is low, and the debugging cost can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of power distribution switching cabinet equipment, and more specifically, to a high- and low-voltage power distribution switching cabinet. Background Art

[0002] The high and low voltage power distribution switch cabinet is an important equipment in the power system, which is used to realize the power transfer and distribution between the high voltage and low voltage power grids.

[0003] Existing complete sets of power supply and distribution equipment can be put into power supply and distribution operation after being connected and installed according to various interfaces after leaving the factory. However, during debugging in the factory, due to the limitations of the research and development system, test methods, test conditions and other factors, the joint debugging requires multiple cable transfers, which easily increases the debugging cost, connection difficulties and increases the test cycle. Utility Model Content

[0004] In view of the shortcomings of the above-mentioned prior art, when debugging the equipment in the factory, it is not convenient to connect multiple cables on the switching cabinet, resulting in the problem that the equipment cannot be debugged in a systematic linkage. The utility model provides a high and low voltage power distribution switching cabinet that can facilitate the connection of multiple cables.

[0005] To achieve the above purpose, the technical solution of the utility model is:

[0006] A high-low voltage power distribution switching cabinet comprises a frame body, wherein the frame body comprises a rectangular bottom frame, four corners of the top of the bottom frame are vertically connected with upright poles, the tops of the four upright poles are commonly connected with a top frame which is also rectangular, a front cross bar is connected between the two upright poles on the front side, a rear cross bar is connected between the two upright poles on the rear side, a plurality of spaced cross braces are arranged between the front cross bar and the rear cross bar, one side of each of the cross braces is connected with an insulating plate, and a bus bar for wiring is connected to the insulating plate through a high-voltage insulator.

[0007] Furthermore, the insulating board is an epoxy glass cloth board.

[0008] Furthermore, two high-voltage insulators are provided, which are respectively connected to both sides of one end of the busbar facing the insulating plate.

[0009] Furthermore, caster mounting plates are installed at four corners of the bottom of the bottom frame, and movable casters are detachably installed on the caster mounting plates.

[0010] Furthermore, the upper and lower sides of the two upright poles on the left side and / or the upper and lower sides of the two upright poles on the right side are provided with hanging rings.

[0011] Furthermore, a first reinforcing rib is connected inside the bottom frame.

[0012] Furthermore, a second reinforcing rib is connected between the two upright poles on the left side, and a second reinforcing rib is also connected between the two upright poles on the right side.

[0013] Furthermore, the cross brace is detachably connected to the front cross bar and the rear cross bar via bolts; the high-voltage insulator is also detachably connected to the busbar and the insulating plate via bolts.

[0014] The beneficial effects of the utility model are:

[0015] The high and low voltage power distribution switching cabinet provided by the utility model has a flexible structural form. The switching cabinet is arranged as a frame structure formed by a bottom frame, a top frame and a plurality of vertical poles. The bus and other components are installed inside through the front cross bar, the rear cross bar and the cross brace. The surroundings and the top and the bottom are all fully open structures. The wiring methods can be top-in and top-out, top-in and bottom-out, bottom-in and bottom-out, bottom-in and top-out, etc., which can realize flexible wiring according to on-site needs; it is convenient to realize the switching of multiple cables during debugging in the factory, and the overall structure has low processing cost, which helps to reduce the debugging cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application, and for ordinary technicians in this field, other embodiments can also be obtained based on these drawings.

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0018] Figure 2 It is a schematic diagram of the bottom structure of the utility model.

[0019] Figure 3 It is a main structural schematic diagram of the utility model.

[0020] Figure 4 It is a side structural schematic diagram of the utility model.

[0021] Description of reference numerals:

[0022] 1. Frame; 11. Bottom frame; 12. Vertical pole; 13. Top frame; 14. Front cross bar; 15. Rear cross bar; 16. First reinforcing rib; 17. Second reinforcing rib; 2. Cross brace; 3. Insulating plate; 4. High-voltage insulator; 5. Busbar; 6. Caster mounting plate; 7. Mobile caster; 8. Lifting ring. DETAILED DESCRIPTION

[0023] The smoke exhaust and silencer bracket provided by the utility model is explained and illustrated in detail below in conjunction with the drawings in the specification.

[0024] Combination Figures 1 to 4 As shown, the present embodiment specifically discloses a high-low voltage power distribution switching cabinet, including a frame 1, the frame 1 includes a rectangular bottom frame 11, four corners of the top of the bottom frame 11 are vertically connected with upright poles 12, and the tops of the four upright poles 12 are commonly connected with a top frame 13 of the same rectangular shape, so as to form a cubic structure with full opening structures on all sides and the top, a front cross bar 14 is connected between the two upright poles 12 on the front side, and a rear cross bar 15 is connected between the two upright poles 12 on the rear side, and a plurality of spaced cross braces 2 are arranged between the front cross bar 14 and the rear cross bar 15, and one side of each cross brace 2 is connected with an insulating plate 3, and a bus 5 for wiring is connected to the insulating plate 3 through a high-voltage insulator 4; wherein the high-voltage insulator 4 is mainly used to support and isolate the bus 5 to ensure the normal operation of the power system, has a good voltage resistance, and can prevent the current on the bus 5 from passing through the high-voltage insulator 4, which can usually be made of insulating materials such as ceramics, glass fiber reinforced plastics or rubber. It should be noted that its design and manufacture must comply with the corresponding national and international standards.

[0025] Specifically, in the illustrated embodiment, the spacing between two adjacent busbars 5 is between 350 mm and 600 mm, which can ensure the safe distance of power supply and distribution. In this embodiment, three cross braces 2 are provided, that is, three busbars 5 are installed, and each busbar 5 is provided with a terminal for high and low voltage line switching. In some other embodiments, 4 or more busbars 5 can be provided according to the size of the frame 1; multiple layers of busbars 5 can also be provided according to the height, etc., which will not be specifically described here, and can be adaptively adjusted in combination with actual use. The high and low voltage power distribution switching cabinet provided in the present embodiment has a flexible structural form. The switching cabinet is arranged as a frame structure formed by a bottom frame 11, a top frame 13 and a plurality of vertical poles 12. The bus 5 and other components are installed inside through the front cross bar 14, the rear cross bar 15 and the cross brace 2. The bus 5 can preferably be a copper bus. The surroundings and the top and bottom are all fully open structures. The wiring methods can be top-in and top-out, top-in and bottom-out, bottom-in and bottom-out, bottom-in and top-out, etc., which can realize flexible wiring according to on-site needs. It is convenient to realize the switching of multiple cables during debugging in the factory, and the overall structure has low processing cost, which helps to reduce the debugging cost.

[0026] To facilitate subsequent maintenance and replacement, in this embodiment, the cross brace 2 is detachably connected to the front cross bar 14 and the rear cross bar 15 by bolts; the high-voltage insulator 4 is also detachably connected to the bus 5 and the insulating plate 3 by bolts; that is, one end of the cross brace 2 is fixed to the front cross bar 14 by bolts, and the other end is also fixed to the rear cross bar 15 by bolts; one end of the high-voltage insulator 4 is fixed to the bus 5 by bolts, and the other end is also fixed to the insulating plate 3 by bolts. Two high-voltage insulators 4 can be provided, which are respectively connected to the two sides of the bus 5 facing the insulating plate 3; thereby ensuring the connection stability and the insulation performance at the same time.

[0027] There are many choices for the material of the insulating board 3, such as polystyrene board, polyurethane board, phenolic resin glass fiber, etc. In this embodiment, the epoxy glass cloth board is preferably a composite material composed of epoxy resin and glass fiber cloth, which has good insulation and good mechanical and chemical properties, high strength, corrosion resistance, and can withstand a certain mechanical load.

[0028] Continue to combine Figure 2 As shown, in some embodiments, caster mounting plates 6 are installed at the four corners of the bottom of the bottom frame 11, and movable casters 7 are detachably installed on the caster mounting plates 6; by providing movable casters 7, it can be fixed in one place for long-term use, and can also be moved to a temporary place for flexible use. Lifting rings 8 are provided on the upper and lower sides of the two left uprights 12 and / or the upper and lower sides of the two right uprights 12. The provision of the lifting rings 8 can facilitate the transfer cabinet to be hoisted and transported as a whole, and ensure the hoisting safety.

[0029] Continue to combine Figure 1 As shown, in some embodiments, a first reinforcing rib 16 is connected inside the bottom frame 11, and the first reinforcing rib 16 can be set as an I-shaped structure; a second reinforcing rib 17 is connected between the two left uprights 12, and a second reinforcing rib 17 is also connected between the two right uprights 12. By providing the first reinforcing rib 16 and the second reinforcing rib 17, the structural strength of the frame 1 can be further improved as a whole, and its stability and service life can be improved.

[0030] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0031] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] In the description of this specification, the description with reference to the terms "this embodiment", "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any at least one embodiment or example. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0033] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modification, equivalent replacement and simple improvement made to the essential content of the present invention shall be included in the protection scope of the present invention.

Claims

1. A high and low voltage power distribution switch cabinet, characterized in that: The invention comprises a frame (1), wherein the frame (1) comprises a rectangular bottom frame (11), four corners of the top of the bottom frame (11) are vertically connected to vertical poles (12), the tops of the four vertical poles (12) are commonly connected to a top frame (13) which is also rectangular, a front cross bar (14) is connected between the two vertical poles (12) on the front side, a rear cross bar (15) is connected between the two vertical poles (12) on the rear side, a plurality of spaced cross bars (2) are arranged between the front cross bar (14) and the rear cross bar (15), one side of each cross bar (2) is connected to an insulating plate (3), and a bus bar (5) for wiring is connected to the insulating plate (3) via a high-voltage insulator (4).

2. The high and low voltage power distribution switching cabinet according to claim 1 is characterized in that: The insulating board (3) is an epoxy glass cloth board.

3. The high and low voltage power distribution switching cabinet according to claim 1 is characterized in that: Two high-voltage insulators (4) are provided, respectively connected to both sides of one end of the busbar (5) facing the insulating plate (3).

4. The high and low voltage power distribution switching cabinet according to claim 1 is characterized in that: Caster mounting plates (6) are installed at the four corners of the bottom of the bottom frame (11), and movable casters (7) are detachably installed on the caster mounting plates (6).

5. The high and low voltage power distribution switching cabinet according to claim 1 is characterized in that: Hanging rings (8) are provided on the upper and lower sides of the two left upright poles (12) and / or on the upper and lower sides of the two right upright poles (12).

6. The high and low voltage power distribution switching cabinet according to claim 1 is characterized in that: A first reinforcing rib (16) is connected inside the bottom frame (11).

7. The high and low voltage power distribution switching cabinet according to claim 1 is characterized in that: A second reinforcing rib (17) is connected between the two upright poles (12) on the left side, and a second reinforcing rib (17) is also connected between the two upright poles (12) on the right side.

8. The high and low voltage power distribution switching cabinet according to claim 1 is characterized in that: The cross brace (2) is detachably connected to the front cross bar (14) and the rear cross bar (15) via bolts; the high-voltage insulator (4) is detachably connected to the busbar (5) and the insulating plate (3) via bolts.

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